[특허]Light tracking automatic navigation system

[미국특허] Light tracking automatic navigation system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-001/00 G05B-001/00
출원번호	US-0049976 (1987-05-14)
우선권정보	SE-0003908 (1985-08-22)
국제출원번호	PCT/SE86/00375 (1986-08-22)
§371/§102 date	1987May1 (1987May1)
국제공개번호	WO-8701216 (1987-02-26)
발명자 / 주소	Lundstrm Mats (Mlndal SEX)
출원인 / 주소	BT Carrago Aktiebolag (Partille SEX 03)
인용정보	피인용 횟수 : 19 인용 특허 : 4

초록 ▼

A navigation system for detecting the position and controlling the movement of an automatically guided vehicle (1) comprises at least one light source (4) and at least one detector (5) responsive to the light emitted from the light source (4), the vehicle (1) be accompanied by either the light source (4) or the detector (5). A signal processing unit (10) has memory means (13) in which path control information (12) corresponding to the path (3) of the vehicle is stored, and comparator means (11) adapted to compare the path control information (12) stored in the memory means (13) with positional information produced by the system, in order, when the path control information and the positional information differ, to emit control signals (15) for the movement of the vehicle. The detector (5) is a position-sensitive semiconductor detector having a substantially planar, extended, continuous sensing area (7) and is adapted to receive light within a restricted part (P) of the sensing area of the detector. In response to the detected light, electric signals are produced from which said positional information (9) corresponding to the actual position of the vehicle (1) in at least one direction is derived.

대표청구항 ▼

A navigation system for detecting the position and controlling the movement of a vehicle (1) which is intended to be automatically guided along a predetermined path (3; 20) on a supporting surface (2), such as a floor or the like, said system comprising at least one light source (4; 18) and at least one detector (5; 19) responsive to the light emitted from the light source (4; 18), one of said light source (4; 18) and said detector (5; 19) being mounted on and accompanying the vehicle (1) and the other of said light source (4; 18) and said detector (5; 19) being arranged substantially stationarily in relation to said supporting surface (2), said system further comprising a signal processing unit (10) having memory means (13) in which path control information (12) corresponding to said path (3) is stored, comparator means (11) adapted to compare the path control information (12) stored in said memory means (13) with positional information produced by said system and corresponding to the position of the vehicle (1) on said supporting surface (2), in order, when said path control information and said positional information differ from each other, to emit control signals (15) for controlling the movement of the vehicle (1), and signal transmission means (16) adapted to transmit said control signals (15) to the vehicle (1) to cause it to move along said path (3; 20), c h a r a c t e r i z e d in that the detector (5; 19) is a position-sensitive semiconductor detector having a substantially planar, extended continuous sensing area (7), said detector (5; 19) being adapted to receive the light which is emitted from the light source (4; 18) and is then incident on a restricted part (P) of said sensing area (7), the position of the vehicle (1) on said supporting surface (2) corresponding to the position of the illuminated part of the sensing area (7) on the detector (5; 19), said detector (5; 19) being adapted,in response to the light detected within said restricted part (P), to emit electric signals indicating where on said sensing area (7) the light emitted from the light source (4; 18) is incident, said positional information which is intended to be compared with the path control information (12) stored in said memory means (13), being derived from the electric signals emitted by said detector (5; 19).

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Paredes Candelario (Dallas TX) Stevens William D. (North Caldwell NJ), Burner monitoring system.
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Halsall James R. (Runcorn GB2) Larcombe Michael H. (Coventry GB2) Robertson James R. (Northwich GB2) Rogers Mark A. (Chester GB2), Driverless vehicle autoguided by light signals and three non-directional detectors.
상세보기
Slaughter John E. (Richardson TX) Terrell Robert B. (Garland TX), Modular, vision system for automation of inspection and process control.
상세보기
Baker William Gene (Rolling Hills Estates CA), Vehicle guidance control link utilizing light beam.
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이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

Whitten Brian T. (Kingston CAX) Veraart Pierre (Kingston CAX) Kwasniewski Andrew (Kingston CAX) Vollenwyder Kurt (Kingston CAX), Automated underground haulage truck.
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Wand Martin A. (Plano TX) Ho Anh V. (Dallas TX) Lin Chuan-Fu (Westboro MA) Huang Phen-Lan (Richardson TX) Williston John P. (Plano TX) Rice Haradon J. (Plano TX) Doty Thomas J. (Dallas TX), Closed-loop navigation system for mobile robots.
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Filep,Zoltan, Computerized simultaneous laser marking and targeting system.
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Zoltan,Filep, Computerized simultaneous laser marking and targeting system.
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Giannopoulos, Demetri; Wacyk, Ihor Terence, In-building navigation system.
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Bell, Mark; Chandrasekar, Kashyap; Waltz, Lucas B.; Thomson, Jacob, Industrial vehicles with overhead light based localization.
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Bell, Mark; Chandrasekar, Kashyap; Waltz, Lucas B.; Thomson, Jacob, Industrial vehicles with overhead light based localization.
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Bell, Mark, Industrial vehicles with point fix based localization.
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Bell, Mark, Industrial vehicles with point fix based localization.
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Newcomer, Ronald E., Laser device for guiding a vehicle.
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Richburg,Chris; Hobden,Donald D., Light system for defining line of approach.
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Paromtchik, Igor E.; Asama, Hajime, Method and system of optical guidance of mobile body.
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Richburg, Chris; Hobden, Donald D., Method of guiding a vehicle to a position.
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Chandler William Keith ; Csipkes Andrei ; Boyer Thomas Robert ; Benner Charles Austin, Precision continuous surface guided optical module carrier and method of using same.
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Chandler,William Keith; Csipkes,Andrei; Boyer,Thomas Robert; Benner,Charles Austin, Precision continuous surface guided optical module carrier and method of using same.
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Richburg,Chris; Hobden,Donald D., System for guiding a vehicle to a position.
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Liu, Qiong; Ma, Shang; Kratz, Sven, Systems and methods employing coded light to dock aerial drones, self-driving cars and surface robots.
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Newcomer, Ronald E., Vehicle positioning device.
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MacNeille, Perry Robinson; Gusikhin, Oleg Yurievitch; Cui, Dehua; Schmotzer, John William; Herman, Dave A., Vehicle positioning system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Light tracking automatic navigation system 원문보기